Cover title

30 pages : 23 cm

Life history and habits. pp. 5 -- Adult. pp. 5 -- Size. pp. 5 -- Color. pp. 5 -- Feeding period. pp. 6 -- The egg. pp. 7 -- The larva. pp. 8 -- The pupa. pp. 8 -- Hibernation. pp. 9 -- Migration. pp. 9 -- Distinction between boll weevils and acorn weevils and sharpshooters. pp. 10 -- Extermination of weevil by cultural methods. pp. 10 -- Lamp trapping. pp. 10 -- Trap rows of cotton. pp. 11 -- Treatment and management of trap rows. pp. 12 -- Flaring of squares. pp. 13 -- Gathering the fallen squares. pp. 13 -- Picking off the squares. pp. 15 -- Plowing under the fallen squares. pp. 15 -- Rate of increase of the boll weevil. pp. 16 -- Northern-grown cotton seed and early-maturing varieties. pp. 18 -- Fumigating infested cotton seed. pp. 19 -- Volunteer cotton. pp. 19 -- Grazing off the cotton. pp. 20 -- Trapping the weevils into hibernating quarters. pp. 21 -- Is the boll weevil migratory? pp. 21 -- Difficulties of practicing cultural methods. pp. 23 -- Trap crop for the bollworm. pp. 24 -- Extermination by spraying. pp. 24 -- Some errors in spraying. pp. 24 -- Successful spraying. pp. 25 -- Spraying machines. pp. 26 -- Laying off the rows. pp. 27 -- Ingredients of spray. pp. 27 -- When to spray. pp. 28 -- Conclusions. pp. 29

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